Graellsia saxifragifolia (DC.) Boiss.

Views: 29 View

Graellsia saxifragifolia (DC.) Boiss.

Masoumeh Izadpanah, Amene Gholami, Mohammad Mahmoodi and Yousef Ajani 

Natural Resources Gene Bank, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization, Tehran, Iran.

Uploaded at July 2024

Scientific editor: Parvin Salehi Shanjani

Seed Storage

The storage behavior of this species is orthodox (desiccation-tolerant seeds), dry to 15 to 20% eRH, and store at -20°C.

 

Germination requirements

The seeds of this species are not dormant. Sterilize seeds before placing them on wet germination paper. Place seeds for two weeks at 4 ºC to germinate uniformly. Then germinate under an alternating temperature regime of 15/20 ºC (the higher temperature for 16 hours in light and the lower one for eight hours in dark).

 

Morphology

Fruit type: Silicle or rarely Silique

Fruit shape: Elliptic to linear or oblong to lanceolate, straight or slightly curved, compressed, beaked

Fruit size: Length 5 to 22 mm, width 1.5 to 6 mm

Seed shape: Elliptic, radicular furrow distinct, wingless or rarely winged. Surface faint reticulate, dark brown

Seed size: Length 1.92 to 2.78 mm, width 1.15 to 1.51 mm in an accession from Abhar, Zanjan, with 1000 seeds weight 1 g, which was collected and identified in 2019 by Mohammad Mahmoodi and Yousef Ajani, and is stored in the Natural Resources Gene Bank of Iran with the accession number 47702.

Average 1000 seed weight: 0.36 to 1 g

 

Biological features

Life form: Perennial, subshrub, woody at the base, glabrous. Stems erect, height 7 to 35 cm

Inflorescence, flower type, and pollination mechanism: Inflorescence raceme, flowers actinomorphic, sepals ovate to elliptic, petals orbicular to obovate, unguiculate, white. Flowers hermaphrodite and cross-pollinating. Pollination is carried out by insects and wind.

Time of flowering: Early to mid-spring

Time of seed ripening: Late spring

Seed dispersal methods: Wind and seed weight

Geographical distribution: Iran, Central Asia, Afghanistan and Iraq. Typus from Mont. Alvand, Iran

Distribution in Iran: North, Northwest, West, Center and Northeast. Mostly in provinces Kurdistan, Isfahan, Yazd, Kohgiluyeh and Boyer-Ahmad, Bakhtiari, Khuzestan, Kerman, Khorasan and Tehran

 

Taxonomy

Family: Brassicaceae

Genus: Graellsia

Species: G. saxifragifolia

Persian name: Sakhredary

 

References and Links

Assadi, M. Sajedi, S. Fakhr Ranjberi, H. Mirzadeh Vaghefi, S. Moazzeni, H. Khodashenas, M. Khosravi, A. R. Hatami, A. Mehrnia, M. Kaffash, Sh. Heidarnia, N. Sheidai, M. Heidari Rikan, M. Kavousi, K. Sonboli, A. Veiskarami, Gh. And Aminian, F. 2017. Flora of Iran, Brassicaceae, No.143. Research Institute of Forests and Rangelands Press, Tehran, Iran, 954 pp.

Black, M. and Bewley, J.D. 2000. Seed technology and its biological basis. Sheffield Academic Press, 419 pp.

Bojňanský, V. and Fargašová, A. 2007. Atlas of seeds and fruits of central and East-European flora: the Carpathian Mountains region. Springer, Dordrecht, The Netherlands, 1046 pp.

Ghahraman, A. Flore of Iran. Research Institute of Forests and Rangelands with University of Tehran Publication. https://floraofiran.net/index.php.

Mozaffarian, V.A. 1998. Dictionary of Iranian plants names. Farhange Moaser Publisher, Tehran, 671 pp.

Mozaffarian, V.A. 2012. A Pictorial dictionary of botany. Farhange Moaser Publisher, Tehran, 1088 pp.

Sharma, O.P. 2009. Plant taxonomy 2E. Tata McGraw-Hill Education, New Delhi, 563 pp.

Category دسته‌بندی نشده
Share
نوشته های مرتبط

Leave a Reply

Your email address will not be published. Required fields are marked *

Don`t copy text!
Login to the site
Reset password Create an account